package com.maimao.goods.config;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.oauth2.config.annotation.web.configuration.EnableResourceServer;
import org.springframework.security.oauth2.config.annotation.web.configuration.ResourceServerConfigurerAdapter;
import org.springframework.security.oauth2.config.annotation.web.configurers.ResourceServerSecurityConfigurer;
import org.springframework.security.oauth2.provider.token.TokenStore;
import org.springframework.security.oauth2.provider.token.store.JwtAccessTokenConverter;
import org.springframework.security.oauth2.provider.token.store.JwtTokenStore;
import org.springframework.security.web.AuthenticationEntryPoint;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.stream.Collectors;

/**
 * 资源服务器
 *
 * @author MaoLin Wang
 * @date 2020/11/28 10:44 下午
 */
@Configuration
@EnableResourceServer
@EnableGlobalMethodSecurity(prePostEnabled = true, securedEnabled = true)
public class ResourceServerConfig extends ResourceServerConfigurerAdapter {


    private static final String PUBLIC_KEY = "publickey.txt";

    @Bean
    public BCryptPasswordEncoder bCryptPasswordEncoder() {
        return new BCryptPasswordEncoder();
    }

    /**
     * 使用jwt令牌
     */
    @Bean
    public TokenStore tokenStore(JwtAccessTokenConverter jwtAccessTokenConverter) {
        return new JwtTokenStore(jwtAccessTokenConverter);
    }

    /**
     * 定义JwtAccessTokenConverter 设置jwt的convert，传入公钥
     *
     * @return
     */
    @Bean
    public JwtAccessTokenConverter jwtAccessTokenConverter() {
        JwtAccessTokenConverter converter = new JwtAccessTokenConverter();
        converter.setVerifierKey(getPubKey());

        return converter;
    }

    /**
     * 获取非对称加密公钥 Key
     *
     * @return 公钥 Key
     */
    private String getPubKey() {
        Resource resource = new ClassPathResource(PUBLIC_KEY);
        try {
            InputStreamReader inputStreamReader = new InputStreamReader(resource.getInputStream());
            BufferedReader br = new BufferedReader(inputStreamReader);
            return br.lines().collect(Collectors.joining("\n"));
        } catch (IOException ioe) {
            return null;
        }
    }

    @Override
    public void configure(HttpSecurity http) throws Exception {
        //所有请求必须认证通过
        http.authorizeRequests()
                //下边的路径放行
                .antMatchers("/v2/api-docs",
                        "/swagger-resources/configuration/ui",
                        "/swagger-resources",
                        "/swagger-resources/configuration/security",
                        "/swagger-ui.html",
                        "/actuator/**",
                        "/instances/**",
                        "/webjars/**",
                        "/goods/brand/client/**",
                        "/goods/cate/client/**",
                        "/goods/goods/client/**",
                        "/goods/goods/goodsinfo-byid",
                        "/goods/spec/detail/client/**",
                        "/goods/cate/treeData",
                        "/goods/brand/hot",
                        "/goods/brand/list",
                        "/goods/brand/query-owner",
                        "/goods/brand/queryBrandByShopId",
                        "/goods/goods/detail/*",
                        "/goods/goods/click-goods",
                        "/goods/comment/goods-comments",
                        "/websocket/goods/**",
                        "/comment-one",
                        "/goods/comment/hot-word").permitAll()
                .anyRequest().authenticated();
    }

}
